<div class="demo">
  <ul class="picroller" id="JslideWrap1">
    <li class="pos1">
      <img src="https://dummyimage.com/940x550/96CDCD/aaa" width="100%" height="100%"/>
    </li>
    <li class="pos2">
      <img src="https://dummyimage.com/940x550/96CDCD/000" width="100%" height="100%"/>
    </li>
    <li class="pos3">
      <img src="https://dummyimage.com/940x550/96CDCD/eee" width="100%" height="100%"/>
    </li>
    <li class="pos4">
      <img src="https://dummyimage.com/940x550/96CDCD/222" width="100%" height="100%"/>
    </li>
    <li class="pos5">
      <img src="https://dummyimage.com/940x550/96CDCD/333" width="100%" height="100%"/>
    </li>
  </ul>
  <i class="arrow prev" id="prev1"></i>
  <i class="arrow next" id="next1"></i>
</div>